Home / 34,386.30-47,449.53-20,238.30

Finding the Fourth Proportional to 34,386.30, 47,449.53 and 20,238.30

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Solution

The fourth proportional to 34,386.30, 47,449.53 and 20,238.30 is: 27,926.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,386.30 : 47,449.53 = 20,238.30 : x
  2. Step 2: Convert to fraction form
    34,386.30/47,449.53 = 20,238.30/x
  3. Step 3: Cross multiply
    34,386.30x = 47,449.53 × 20,238.30
  4. Step 4: Simplify right side
    34,386.30x = 960,297,823.00
  5. Step 5: Solve for x
    x = 960,297,823.00/34,386.30
  6. Step 6: Final answer
    x = 27,926.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.